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STEP 2: After the installation or recovery disc loads, if prompted, select your language settings and then continue. If you are using the installation DVD, when prompted by the following screen select Repair your computer.

STEP 3: The computer will take a moment now to scan itself for any Windows installations, after which you will likely be given a choice to select which installation you wish to repair. Select the appropriate Windows installation from the list and then continue. If by chance a problem is detected in one of your Windows installations at this initial stage, the system may also ask you if it can try to repair the problem automatically. It is up to you if you wish to let the system try to repair itself, but otherwise just select No.

STEP 4: Once you have reached the System Recovery Options screen, as shown below, you will be faced with a list of choices that can aid you in repairing a damaged Windows 7 operating system. If you wish to try the Startup Repair option first, it is often successful in automatically fixing many different start up issues, but in this article we will be using the Command Prompt option to resolve our problems manually. So, click Command Prompt to continue.

STEP5: Now sitting at the command prompt, enter the following command and then press enter:

bootrec.exe /FixMbr

If successful, you should be greeted with the message The operation completed successfully. That’s it! Your Master Boot Record has been repaired.

While the above command does fix the MBR, and sometimes that is enough, there still might be an error with the system partition’s boot sector and Boot Configuration Data (BCD). This might occur if you have tried to install another operating system alongside Windows 7, such as Windows XP. To write a new boot sector, try the following command:

bootrec.exe /FixBoot

If you are still faced with your Windows 7 installation not being detected during start up, or if you wish to include more than one operating system choice to your system’s boot list, you can try the following command to rebuild your BCD:

bootrec.exe /RebuildBcd

The above command will scan all your disks for other operating systems compatible with Windows 7 and allow you to add them to your system’s boot list. If this fails, you may need to backup the old BCD folder* and create a new one in its place with the following commands:

bcdedit /export C:\BCD_Backup

c:

cd boot

attrib bcd -s -h -r

ren c:\boot\bcd bcd.old

bootrec /RebuildBcd

*Some users also find simply deleting the boot folder and retrying the above steps effective at resolving boot issues, but it is not recommended.

How to change active partitions

Upon purposely changing the active partition on my system drive, I was faced with a BOOTMGR is missing error during my system’s start up that prevent Windows from starting. It is a common mistake to make when playing with partitions on a system drive and it can be a headache to solve if not prepared. To change your active partition back using the Windows 7 recovery disc or Installation DVD, follow the steps below.

STEP 1: Follow steps one to four in the above guide. This should take you to the Command Prompt in the Windows Recovery Environment.

STEP 2: Type DiskPart and then press Enter.

Step three: Type List Disk now and then press Enter. This command will list all disks attached to your computer and assign them a disk number.

STEP 3: Type Select Disk x, where x is the number for the disk containing the partition you wish to make active. Press Enter.

STEP 5: Type List Partition and then press Enter. You will now be shown a list of the partitions on the selected disk. Determine which partition you wish to make active.
You’ll see a list which will display your system partition.(this is an example list)

STEP 6: Type Select Partition x, where x is the number of the partition you wish to make active.

STEP 7: Now, just type Active and then press Enter. That should be it – the selected partition is now active.

Good to Know

All our malware removal guides and programs are completely free, and will remove all the malware from your computer.
Please be aware that removing malware is a potentially hazardous undertaking. We advise you to backup your personal files and folders before you start the malware removal process.

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THE DAILY TIP

Stay safe online. - Keep your software up-to-date. This is especially true for things like your operating system, security software and Web browser, but also holds true for just about any program that you frequently use. Viruses often take advantages of bugs or exploits in the code of these programs to propagate to new machines, and while the companies that make the programs are usually quick to fix the holes, those fixes only work if they have been downloaded to your computer.

It's also important to avoid taking actions that could put your computer at risk. These include opening unsolicited email attachments, visiting unknown websites or downloading software from untrustworthy websites or peer-to-peer file transfer networks.

To ensure that the entire family understands the risks, these procedures should be taught to everyone, and children should have their Internet use monitored to ensure they aren't visiting suspect websites or downloading random programs or files.

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Malware 101

Malware - short for malicious software - is an umbrella term that refers to any software program deliberately created to perform an unauthorized and often harmful action.
Viruses, backdoors, keyloggers, spyware ,adware, rootkits, and trojans are just a few examples of what is considered malware.
A few years ago,it was once sufficient to call something a 'virus' or 'trojan horse', however today's infection methods and vectors evolved and the terms 'virus and trojan' no longer provided a satisfactory definition for all the types of rogue programs that exist.

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